/*
 * Copyright (c) 2010, Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef V8_INSPECTOR_V8INSPECTORIMPL_H_
#define V8_INSPECTOR_V8INSPECTORIMPL_H_

#include <vector>

//#include "src/base/macros.h"
#include "src/inspector/protocol/Protocol.h"

#include "include/v8-debug.h"
#include "include/v8-inspector.h"

namespace v8_inspector {

class InspectedContext;
class V8ConsoleMessageStorage;
class V8Debugger;
class V8DebuggerAgentImpl;
class V8InspectorSessionImpl;
class V8ProfilerAgentImpl;
class V8RuntimeAgentImpl;
class V8StackTraceImpl;

class V8InspectorImpl : public V8Inspector {
    public:
        V8InspectorImpl(v8::Isolate*, V8InspectorClient*);
        ~V8InspectorImpl() override;

        v8::Isolate* isolate() const {
            return m_isolate;
        }
        V8InspectorClient* client() {
            return m_client;
        }
        V8Debugger* debugger() {
            return m_debugger.get();
        }

        v8::MaybeLocal<v8::Value> runCompiledScript(v8::Local<v8::Context>,
                v8::Local<v8::Script>);
        v8::MaybeLocal<v8::Value> callFunction(v8::Local<v8::Function>,
                                               v8::Local<v8::Context>,
                                               v8::Local<v8::Value> receiver,
                                               int argc, v8::Local<v8::Value> info[]);
        v8::MaybeLocal<v8::Value> compileAndRunInternalScript(v8::Local<v8::Context>,
                v8::Local<v8::String>);
        v8::Local<v8::Script> compileScript(v8::Local<v8::Context>,
                                            v8::Local<v8::String>,
                                            const String16& fileName,
                                            bool markAsInternal);
        v8::Local<v8::Context> regexContext();

        // V8Inspector implementation.
        std::unique_ptr<V8InspectorSession> connect(int contextGroupId,
                V8Inspector::Channel*,
                const StringView& state) override;
        void contextCreated(const V8ContextInfo&) override;
        void contextDestroyed(v8::Local<v8::Context>) override;
        void resetContextGroup(int contextGroupId) override;
        void willExecuteScript(v8::Local<v8::Context>, int scriptId) override;
        void didExecuteScript(v8::Local<v8::Context>) override;
        void idleStarted() override;
        void idleFinished() override;
        unsigned exceptionThrown(v8::Local<v8::Context>, const StringView& message,
                                 v8::Local<v8::Value> exception,
                                 const StringView& detailedMessage,
                                 const StringView& url, unsigned lineNumber,
                                 unsigned columnNumber, std::unique_ptr<V8StackTrace>,
                                 int scriptId) override;
        void exceptionRevoked(v8::Local<v8::Context>, unsigned exceptionId,
                              const StringView& message) override;
        std::unique_ptr<V8StackTrace> createStackTrace(
            v8::Local<v8::StackTrace>) override;
        std::unique_ptr<V8StackTrace> captureStackTrace(bool fullStack) override;
        void asyncTaskScheduled(const StringView& taskName, void* task,
                                bool recurring) override;
        void asyncTaskCanceled(void* task) override;
        void asyncTaskStarted(void* task) override;
        void asyncTaskFinished(void* task) override;
        void allAsyncTasksCanceled() override;

        unsigned nextExceptionId() {
            return ++m_lastExceptionId;
        }
        void enableStackCapturingIfNeeded();
        void disableStackCapturingIfNeeded();
        void muteExceptions(int contextGroupId);
        void unmuteExceptions(int contextGroupId);
        V8ConsoleMessageStorage* ensureConsoleMessageStorage(int contextGroupId);
        bool hasConsoleMessageStorage(int contextGroupId);
        using ContextByIdMap =
            protocol::HashMap<int, std::unique_ptr<InspectedContext>>;
        void discardInspectedContext(int contextGroupId, int contextId);
        const ContextByIdMap* contextGroup(int contextGroupId);
        void disconnect(V8InspectorSessionImpl*);
        V8InspectorSessionImpl* sessionForContextGroup(int contextGroupId);
        InspectedContext* getContext(int groupId, int contextId) const;
        V8DebuggerAgentImpl* enabledDebuggerAgentForGroup(int contextGroupId);
        V8RuntimeAgentImpl* enabledRuntimeAgentForGroup(int contextGroupId);
        V8ProfilerAgentImpl* enabledProfilerAgentForGroup(int contextGroupId);

    private:
        v8::Isolate* m_isolate;
        V8InspectorClient* m_client;
        std::unique_ptr<V8Debugger> m_debugger;
        v8::Global<v8::Context> m_regexContext;
        int m_capturingStackTracesCount;
        unsigned m_lastExceptionId;

        using MuteExceptionsMap = protocol::HashMap<int, int>;
        MuteExceptionsMap m_muteExceptionsMap;

        using ContextsByGroupMap =
            protocol::HashMap<int, std::unique_ptr<ContextByIdMap>>;
        ContextsByGroupMap m_contexts;

        using SessionMap = protocol::HashMap<int, V8InspectorSessionImpl*>;
        SessionMap m_sessions;

        using ConsoleStorageMap =
            protocol::HashMap<int, std::unique_ptr<V8ConsoleMessageStorage>>;
        ConsoleStorageMap m_consoleStorageMap;

        DISALLOW_COPY_AND_ASSIGN(V8InspectorImpl);
};

}  // namespace v8_inspector

#endif  // V8_INSPECTOR_V8INSPECTORIMPL_H_
